<!DOCTYPE html>
<html>
<body>

<h1>XMLHttpRequest 对象</h1>

<p id="demo"></p>

<script>
    var xhttp, xmlDoc, txt, x, i;
    xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function() {
        if (this.readyState == 4 && this.status == 200) {
            xmlDoc = this.responseXML;
            txt = "";
            x = xmlDoc.getElementsByTagName("ARTIST");
            for (i = 0; i < x.length; i++) {
                txt = txt + x[i].childNodes[0].nodeValue + "<br>";
            }
            document.getElementById("demo").innerHTML = txt;
        }
    };
    xhttp.open("GET", "http://localhost:8080/api/data/music_list.xml", true);
    xhttp.send();
</script>

</body>
</html>
